Doggett Chert










Natural Form:



Description of Physical Characteristics:

Color:  Doggett Chert is commonly variegated or a breccia with colors ranging from most commonly a light tan or buff to brown.  Less commonly colors of  white to light blue or gray are present.  Dendritic inclusions are present. 

Texture:  Medium to fine grain

Luster: Dull to waxy to vitreous

Translucency: Most commonly slightly translucent, but ranges from opaque to translucent.

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
 Doggett Chert is thought to be associated with the Pilgrim Limestone Formation of Montana.  Primary outcroppings occur west of the West River in west central Montana.  Quarries include the Doggett Quarry and the Camp Baker Quarry.  This material has been reported into Alberta.  This is considered an exotic material.
Projectile point made from this material:



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References: (See Reference Page, Entry Number):

Similar Material:
Commonly made projectile point from this material:
Archaeological Context: